source/src/vm/fm7/fm7.cpp

   1
   2 /*
   3  * FM7 -> VM
   4  * (C) 2015 K.Ohta <whatisthis.sowhat _at_ gmail.com>
   5  * History:
   6  *   Feb 27, 2015 : Initial
   7  */
   8
   9 #include "fm7.h"
  10 #include "../../emu.h"
  11 #include "../../config.h"
  12 #include "../device.h"
  13 #include "../event.h"
  14 #include "../memory.h"
  15 #include "../prnfile.h"
  16
  17 #ifdef USE_DEBUGGER
  18 #include "../debugger.h"
  19 #endif
  20 #if defined(SUPPORT_DUMMY_DEVICE_LED)
  21 #include "../dummydevice.h"
  22 #else
  23 #define SIG_DUMMYDEVICE_BIT0 0
  24 #define SIG_DUMMYDEVICE_BIT1 1
  25 #define SIG_DUMMYDEVICE_BIT2 2
  26 #endif
  27
  28 #include "../datarec.h"
  29 #include "../disk.h"
  30
  31 #include "../mc6809.h"
  32 #include "../z80.h"
  33 #include "../mb8877.h"
  34
  35 #include "../pcm1bit.h"
  36 #include "../ym2203.h"
  37 #if defined(_FM77AV_VARIANTS)
  38 #include "mb61vh010.h"
  39 #include "../beep.h"
  40 #endif
  41 #if defined(HAS_DMA)
  42 #include "hd6844.h"
  43 #endif
  44
  45 #include "./fm7_mainio.h"
  46 #include "./fm7_mainmem.h"
  47 #include "./fm7_display.h"
  48 #include "./fm7_keyboard.h"
  49 #include "./joystick.h"
  50
  51 #include "./kanjirom.h"
  52
  53 VM::VM(EMU* parent_emu): emu(parent_emu)
  54 {
  55
  56         first_device = last_device = NULL;
  57 #if defined(_FM8)
  58         psg = NULL;
  59 #else
  60 # if defined(_FM77AV_VARIANTS)
  61         opn[0] = opn[1] = opn[2] = NULL;
  62 # else
  63         opn[0] = opn[1] = opn[2] = psg = NULL;
  64 # endif
  65 #endif
  66         dummy = new DEVICE(this, emu);  // must be 1st device
  67         event = new EVENT(this, emu);   // must be 2nd device
  68
  69         dummycpu = new DEVICE(this, emu);
  70         maincpu = new MC6809(this, emu);
  71         subcpu = new MC6809(this, emu);
  72 #ifdef WITH_Z80
  73         z80cpu = new Z80(this, emu);
  74 #endif
  75         // basic devices
  76 #if defined(_FM8) || defined(_FM7) || defined(_FMNEW7)
  77         if((config.dipswitch & FM7_DIPSW_CONNECT_KANJIROM) != 0) {
  78                 kanjiclass1 = new KANJIROM(this, emu, false);
  79         }
  80 #else
  81         kanjiclass1 = new KANJIROM(this, emu, false);
  82 #endif
  83 #ifdef CAPABLE_KANJI_CLASS2
  84         kanjiclass2 = new KANJIROM(this, emu, true);
  85 #endif
  86         joystick  = new JOYSTICK(this, emu);
  87
  88         // I/Os
  89         drec = new DATAREC(this, emu);
  90         pcm1bit = new PCM1BIT(this, emu);
  91         fdc  = new MB8877(this, emu);
  92 #if defined(HAS_DMA)
  93         dmac = new HD6844(this, emu);
  94 #endif
  95 #if defined(_FM8)
  96         psg = new YM2203(this, emu);
  97 #else
  98         opn[0] = new YM2203(this, emu); // OPN
  99         opn[1] = new YM2203(this, emu); // WHG
 100         opn[2] = new YM2203(this, emu); // THG
 101 # if !defined(_FM77AV_VARIANTS)
 102         psg = new YM2203(this, emu);
 103 # endif
 104 #endif
 105 #if defined(_FM77AV_VARIANTS)
 106         alu = new MB61VH010(this, emu);
 107         keyboard_beep = new BEEP(this, emu);
 108 #endif
 109         display = new DISPLAY(this, emu);
 110         printer = new PRNFILE(this, emu);
 111         mainio  = new FM7_MAINIO(this, emu);
 112         mainmem = new FM7_MAINMEM(this, emu);
 113         keyboard = new KEYBOARD(this, emu);
 114
 115 #if defined(SUPPORT_DUMMY_DEVICE_LED)
 116         led_terminate = new DUMMYDEVICE(this, emu);
 117 #else
 118         led_terminate = new DEVICE(this, emu);
 119 #endif
 120         // MEMORIES must set before initialize().
 121         maincpu->set_context_mem(mainmem);
 122         subcpu->set_context_mem(display);
 123 #ifdef WITH_Z80
 124         z80cpu->set_context_mem(mainmem);
 125 #endif
 126 #ifdef USE_DEBUGGER
 127         maincpu->set_context_debugger(new DEBUGGER(this, emu));
 128         subcpu->set_context_debugger(new DEBUGGER(this, emu));
 129 # ifdef WITH_Z80
 130         z80cpu->set_context_debugger(new DEBUGGER(this, emu));
 131 # endif
 132 #endif
 133         connect_bus();
 134         initialize();
 135 }
 136
 137 VM::~VM()
 138 {
 139         // delete all devices
 140         for(DEVICE* device = first_device; device;) {
 141                 DEVICE *next_device = device->next_device;
 142                 device->release();
 143                 delete device;
 144                 device = next_device;
 145         }
 146 }
 147
 148 DEVICE* VM::get_device(int id)
 149 {
 150         for(DEVICE* device = first_device; device; device = device->next_device) {
 151                 if(device->this_device_id == id) {
 152                         return device;
 153                 }
 154         }
 155         return NULL;
 156 }
 157
 158
 159 void VM::initialize(void)
 160 {
 161         clock_low = false;
 162
 163 }
 164
 165
 166 void VM::connect_bus(void)
 167 {
 168         uint32 mainclock;
 169         uint32 subclock;
 170
 171         /*
 172          * CLASS CONSTRUCTION
 173          *
 174          * VM
 175          *  |-> MAINCPU -> MAINMEM -> MAINIO -> MAIN DEVICES
 176          *  |             |        |
 177          *  | -> SUBCPU  -> SUBMEM  -> SUBIO -> SUB DEVICES
 178          *  | -> DISPLAY
 179          *  | -> KEYBOARD
 180          *
 181          *  MAINMEM can access SUBMEM/IO, when SUBCPU is halted.
 182          *  MAINMEM and SUBMEM can access DISPLAY and KEYBOARD with exclusive.
 183          *  MAINCPU can access MAINMEM.
 184          *  SUBCPU  can access SUBMEM.
 185          *  DISPLAY : R/W from MAINCPU and SUBCPU.
 186          *  KEYBOARD : R/W
 187          *
 188          */
 189         event->set_frames_per_sec(FRAMES_PER_SEC);
 190         event->set_lines_per_frame(LINES_PER_FRAME);
 191         event->set_context_cpu(dummycpu, (CPU_CLOCKS * 3) / 8); // MAYBE FIX With eFM77AV40/20.
 192         //event->set_context_cpu(dummycpu, (int)(4.9152 * 1000.0 * 1000.0 / 4.0));
 193
 194 #if defined(_FM8)
 195         mainclock = MAINCLOCK_SLOW;
 196         subclock = SUBCLOCK_SLOW;
 197 #else
 198         if(config.cpu_type == 0) {
 199                 // 2MHz
 200                 subclock = SUBCLOCK_NORMAL;
 201                 mainclock = MAINCLOCK_NORMAL;
 202         } else {
 203                 // 1.2MHz
 204                 mainclock = MAINCLOCK_SLOW;
 205                 subclock = SUBCLOCK_SLOW;
 206         }
 207         //if((config.dipswitch & FM7_DIPSW_CYCLESTEAL) != 0) subclock = subclock / 3;
 208 #endif
 209         event->set_context_cpu(maincpu, mainclock);
 210         event->set_context_cpu(subcpu,  subclock);
 211
 212 #ifdef WITH_Z80
 213         event->set_context_cpu(z80cpu,  4000000);
 214         z80cpu->write_signal(SIG_CPU_BUSREQ, 1, 1);
 215 #endif
 216
 217         event->set_context_sound(pcm1bit);
 218 #if defined(_FM8)
 219         event->set_context_sound(psg);
 220         event->set_context_sound(drec);
 221 #else
 222         event->set_context_sound(opn[0]);
 223         event->set_context_sound(opn[1]);
 224         event->set_context_sound(opn[2]);
 225 # if !defined(_FM77AV_VARIANTS)
 226         event->set_context_sound(psg);
 227 # endif
 228         event->set_context_sound(drec);
 229 # if defined(_FM77AV_VARIANTS)
 230         event->set_context_sound(keyboard_beep);
 231 # endif
 232 #endif
 233 #if !defined(_FM77AV_VARIANTS) && !defined(_FM77L4)
 234         event->register_frame_event(display);
 235 #endif
 236         mainio->set_context_maincpu(maincpu);
 237         mainio->set_context_subcpu(subcpu);
 238
 239         mainio->set_context_display(display);
 240 #if defined(_FM8) || defined(_FM7) || defined(_FMNEW7)
 241         if((config.dipswitch & FM7_DIPSW_CONNECT_KANJIROM) != 0) {
 242                 mainio->set_context_kanjirom_class1(kanjiclass1);
 243         }
 244 #else
 245         mainio->set_context_kanjirom_class1(kanjiclass1);
 246 #endif
 247         mainio->set_context_mainmem(mainmem);
 248         mainio->set_context_keyboard(keyboard);
 249         mainio->set_context_printer(printer);
 250         mainio->set_context_printer_reset(printer, SIG_PRINTER_RESET, 0xffffffff);
 251 #if defined(CAPABLE_KANJI_CLASS2)
 252         mainio->set_context_kanjirom_class2(kanjiclass2);
 253 #endif
 254
 255         keyboard->set_context_break_line(mainio, FM7_MAINIO_PUSH_BREAK, 0xffffffff);
 256         keyboard->set_context_int_line(mainio, FM7_MAINIO_KEYBOARDIRQ, 0xffffffff);
 257         keyboard->set_context_int_line(display, SIG_FM7_SUB_KEY_FIRQ, 0xffffffff);
 258 #if defined(_FM77AV_VARIANTS)
 259         keyboard->set_context_beep(keyboard_beep);
 260 #endif
 261         keyboard->set_context_rxrdy(display, SIG_FM7KEY_RXRDY, 0x01);
 262         keyboard->set_context_key_ack(display, SIG_FM7KEY_ACK, 0x01);
 263         keyboard->set_context_ins_led( led_terminate, SIG_DUMMYDEVICE_BIT0, 0xffffffff);
 264         keyboard->set_context_caps_led(led_terminate, SIG_DUMMYDEVICE_BIT1, 0xffffffff);
 265         keyboard->set_context_kana_led(led_terminate, SIG_DUMMYDEVICE_BIT2, 0xffffffff);
 266
 267         drec->set_context_ear(mainio, FM7_MAINIO_CMT_RECV, 0xffffffff);
 268         //drec->set_context_remote(mainio, FM7_MAINIO_CMT_REMOTE, 0xffffffff);
 269         mainio->set_context_datarec(drec);
 270
 271         mainmem->set_context_mainio(mainio);
 272         mainmem->set_context_display(display);
 273         mainmem->set_context_maincpu(maincpu);
 274 #if defined(CAPABLE_DICTROM)
 275         mainmem->set_context_kanjirom_class1(kanjiclass1);
 276 #endif
 277         display->set_context_mainio(mainio);
 278         display->set_context_subcpu(subcpu);
 279         display->set_context_keyboard(keyboard);
 280
 281         mainio->set_context_clock_status(mainmem, FM7_MAINIO_CLOCKMODE, 0xffffffff);
 282         mainio->set_context_clock_status(display, SIG_DISPLAY_CLOCK, 0xffffffff);
 283
 284         subcpu->set_context_bus_halt(display, SIG_FM7_SUB_HALT, 0xffffffff);
 285         subcpu->set_context_bus_halt(mainmem, SIG_FM7_SUB_HALT, 0xffffffff);
 286
 287 #if defined(_FM77_VARIANTS) || defined(_FM77AV_VARIANTS)
 288         display->set_context_kanjiclass1(kanjiclass1);
 289 #endif
 290 #if defined(CAPABLE_KANJI_CLASS2)
 291         display->set_context_kanjiclass2(kanjiclass2);
 292 #endif
 293 #if defined(_FM77AV_VARIANTS)
 294         display->set_context_alu(alu);
 295         alu->set_context_memory(display);
 296 #endif
 297         // Palette, VSYNC, HSYNC, Multi-page, display mode.
 298         mainio->set_context_display(display);
 299
 300         //FDC
 301         mainio->set_context_fdc(fdc);
 302         fdc->set_context_irq(mainio, FM7_MAINIO_FDC_IRQ, 0x1);
 303         fdc->set_context_drq(mainio, FM7_MAINIO_FDC_DRQ, 0x1);
 304         // SOUND
 305         mainio->set_context_beep(pcm1bit);
 306 #if defined(_FM8)
 307         mainio->set_context_psg(psg);
 308 #else
 309 # if !defined(_FM77AV_VARIANTS)
 310         mainio->set_context_psg(psg);
 311 # endif
 312         opn[0]->set_context_irq(mainio, FM7_MAINIO_OPN_IRQ, 0xffffffff);
 313         mainio->set_context_opn(opn[0], 0);
 314         //joystick->set_context_opn(opn[0]);
 315         mainio->set_context_joystick(joystick);
 316         opn[0]->set_context_port_b(joystick, FM7_JOYSTICK_MOUSE_STROBE, 0xff, 0);
 317
 318         opn[1]->set_context_irq(mainio, FM7_MAINIO_WHG_IRQ, 0xffffffff);
 319         mainio->set_context_opn(opn[1], 1);
 320         opn[2]->set_context_irq(mainio, FM7_MAINIO_THG_IRQ, 0xffffffff);
 321         mainio->set_context_opn(opn[2], 2);
 322 #endif
 323         subcpu->set_context_bus_halt(display, SIG_FM7_SUB_HALT, 0xffffffff);
 324         subcpu->set_context_bus_clr(display, SIG_FM7_SUB_USE_CLR, 0x0000000f);
 325
 326         event->register_frame_event(joystick);
 327 #if defined(HAS_DMA)
 328         dmac->set_context_src(fdc, 0);
 329         dmac->set_context_dst(mainmem, 0);
 330         dmac->set_context_int_line(mainio, 0, FM7_MAINIO_DMA_INT, 0xffffffff);
 331         dmac->set_context_drq_line(maincpu, 1, SIG_CPU_BUSREQ, 0xffffffff);
 332         mainio->set_context_dmac(dmac);
 333 #endif
 334         for(DEVICE* device = first_device; device; device = device->next_device) {
 335                 device->initialize();
 336         }
 337         for(int i = 0; i < 2; i++) {
 338 #if defined(_FM77AV20) || defined(_FM77AV40SX) || defined(_FM77AV40EX) || defined(_FM77AV40SX)
 339                 fdc->set_drive_type(i, DRIVE_TYPE_2DD);
 340 #else
 341                 fdc->set_drive_type(i, DRIVE_TYPE_2D);
 342 #endif
 343 #if defined(_FM77AV_VARIANTS)
 344                 fdc->set_drive_rpm(i, 360);
 345 #else
 346                 fdc->set_drive_rpm(i, 360);
 347 #endif
 348                 fdc->set_drive_mfm(i, true);
 349         }
 350 #if defined(_FM77) || defined(_FM77L4)
 351         for(int i = 2; i < 4; i++) {
 352                 fdc->set_drive_type(i, DRIVE_TYPE_2HD);
 353                 fdc->set_drive_rpm(i, 360);
 354                 fdc->set_drive_mfm(i, true);
 355         }
 356 #endif
 357
 358 }
 359
 360 void VM::update_config()
 361 {
 362         uint32 vol1, vol2, tmpv;
 363         int ii, i_limit;
 364
 365 #if defined(SIG_YM2203_LVOLUME) && defined(SIG_YM2203_RVOLUME)
 366 # if defined(USE_MULTIPLE_SOUNDCARDS)
 367         i_limit = USE_MULTIPLE_SOUNDCARDS - 1;
 368 # else
 369 #  if !defined(_FM77AV_VARIANTS) && !defined(_FM8)
 370         i_limit = 4;
 371 #  elif defined(_FM8)
 372         i_limit = 1; // PSG Only
 373 #  else
 374         i_limit = 3;
 375 #  endif
 376 # endif
 377         for(ii = 0; ii < i_limit; ii++) {
 378                 if(config.multiple_speakers) { //
 379                         vol1 = 256;
 380                         vol2 = vol1 >> 2;
 381                 } else {
 382                         vol1 = vol2 = 256;
 383                 }
 384                 switch(ii) {
 385                 case 0: // OPN
 386                         break;
 387                 case 1: // WHG
 388                         tmpv = vol1;
 389                         vol1 = vol2;
 390                         vol2 = tmpv;
 391                         break;
 392                 case 2: // THG
 393                 case 3: // PSG
 394                         vol2 = vol1;
 395                         break;
 396                 default:
 397                         break;
 398                 }
 399 #if defined(_FM8)
 400                 psg->write_signal(SIG_YM2203_LVOLUME, vol1, 0xffffffff); // OPN: LEFT
 401                 psg->write_signal(SIG_YM2203_RVOLUME, vol1, 0xffffffff); // OPN: RIGHT
 402 # elif defined(_FM7) || defined(_FMNEW7) || defined(_FM77_VARIANTS)
 403                 if(ii < 3) {
 404                         opn[ii]->write_signal(SIG_YM2203_LVOLUME, vol1, 0xffffffff); // OPN: LEFT
 405                         opn[ii]->write_signal(SIG_YM2203_RVOLUME, vol2, 0xffffffff); // OPN: RIGHT
 406                 } else {
 407                         psg->write_signal(SIG_YM2203_LVOLUME, vol1, 0xffffffff); // OPN: LEFT
 408                         psg->write_signal(SIG_YM2203_RVOLUME, vol2, 0xffffffff); // OPN: RIGHT
 409                 }
 410 # else // FM77AV
 411                 if(ii < 3) {
 412                         opn[ii]->write_signal(SIG_YM2203_LVOLUME, vol1, 0xffffffff); // OPN: LEFT
 413                         opn[ii]->write_signal(SIG_YM2203_RVOLUME, vol2, 0xffffffff); // OPN: RIGHT
 414                 }
 415 # endif
 416         }
 417 #endif
 418 #if defined(USE_MULTIPLE_SOUNDCARDS) && defined(DATAREC_SOUND)
 419         drec->write_signal(SIG_DATAREC_VOLUME, (config.sound_device_level[USE_MULTIPLE_SOUNDCARDS - 1] + 32768) >> 3, 0xffffffff);
 420 #endif
 421         for(DEVICE* device = first_device; device; device = device->next_device) {
 422                 device->update_config();
 423         }
 424         //update_dipswitch();
 425 }
 426
 427 void VM::reset()
 428 {
 429         // reset all devices
 430         for(DEVICE* device = first_device; device; device = device->next_device) {
 431                 device->reset();
 432         }
 433 }
 434
 435 void VM::special_reset()
 436 {
 437         // BREAK + RESET
 438         mainio->write_signal(FM7_MAINIO_PUSH_BREAK, 1, 1);
 439         mainio->reset();
 440         mainmem->reset();
 441
 442 #if defined(FM77AV_VARIANTS)
 443         mainio->write_signal(FM7_MAINIO_HOT_RESET, 1, 1);
 444 #endif
 445         display->reset();
 446         subcpu->reset();
 447         mainio->write_signal(FM7_MAINIO_PUSH_BREAK, 1, 1);
 448         maincpu->reset();
 449         event->register_event(mainio, EVENT_UP_BREAK, 10000.0 * 1000.0, false, NULL);
 450 }
 451
 452 void VM::run()
 453 {
 454         event->drive();
 455 }
 456
 457 double VM::frame_rate()
 458 {
 459         return event->frame_rate();
 460 }
 461
 462 #if defined(SUPPORT_DUMMY_DEVICE_LED)
 463 uint32 VM::get_led_status()
 464 {
 465         return led_terminate->read_signal(SIG_DUMMYDEVICE_READWRITE);
 466 }
 467 #endif // SUPPORT_DUMMY_DEVICE_LED
 468
 469
 470 // ----------------------------------------------------------------------------
 471 // debugger
 472 // ----------------------------------------------------------------------------
 473
 474 #ifdef USE_DEBUGGER
 475 DEVICE *VM::get_cpu(int index)
 476 {
 477         if(index == 0) {
 478                 return maincpu;
 479         } else if(index == 1) {
 480                 return subcpu;
 481         }
 482 #if defined(_WITH_Z80)
 483         else if(index == 2) {
 484                 return z80cpu;
 485         }
 486 #endif
 487         return NULL;
 488 }
 489 #endif
 490
 491 // ----------------------------------------------------------------------------
 492 // draw screen
 493 // ----------------------------------------------------------------------------
 494
 495 void VM::draw_screen()
 496 {
 497         display->draw_screen();
 498 }
 499
 500 int VM::access_lamp()
 501 {
 502         uint32 status = fdc->read_signal(0);
 503         return (status & (1 | 4)) ? 1 : (status & (2 | 8)) ? 2 : 0;
 504 }
 505
 506 void VM::initialize_sound(int rate, int samples)
 507 {
 508         // init sound manager
 509         event->initialize_sound(rate, samples);
 510         // init sound gen
 511 #if defined(_FM8)
 512         psg->init(rate, (int)(4.9152 * 1000.0 * 1000.0 / 4.0), samples, 0, 0);
 513 #else
 514         opn[0]->init(rate, (int)(4.9152 * 1000.0 * 1000.0 / 4.0), samples, 0, 0);
 515         opn[1]->init(rate, (int)(4.9152 * 1000.0 * 1000.0 / 4.0), samples, 0, 0);
 516         opn[2]->init(rate, (int)(4.9152 * 1000.0 * 1000.0 / 4.0), samples, 0, 0);
 517 # if !defined(_FM77AV_VARIANTS)
 518         psg->init(rate, (int)(4.9152 * 1000.0 * 1000.0 / 4.0), samples, 0, 0);
 519 # endif
 520 # if defined(_FM77AV_VARIANTS)
 521         keyboard_beep->init(rate, 2400.0, 512);
 522 # endif
 523 #endif
 524         pcm1bit->init(rate, 2000);
 525         //drec->init_pcm(rate, 0);
 526 }
 527
 528 uint16* VM::create_sound(int* extra_frames)
 529 {
 530         uint16* p = event->create_sound(extra_frames);
 531         return p;
 532 }
 533
 534 int VM::sound_buffer_ptr()
 535 {
 536         int pos = event->sound_buffer_ptr();
 537         return pos;
 538 }
 539
 540 #ifdef USE_SOUND_VOLUME
 541 void VM::set_sound_device_volume(int ch, int decibel_l, int decibel_r)
 542 {
 543 #if !defined(_FM77AV_VARIANTS)
 544         if(ch-- == 0) {
 545                 psg->set_volume(0, decibel_l, decibel_r);
 546                 psg->set_volume(1, decibel_l, decibel_r);
 547         } else
 548 #endif
 549 #if !defined(_FM8)
 550         if(ch-- == 0) {
 551                 opn[0]->set_volume(0, decibel_l, decibel_r);
 552         } else if(ch-- == 0) {
 553                 opn[0]->set_volume(1, decibel_l, decibel_r);
 554         } else if(ch-- == 0) {
 555                 opn[1]->set_volume(0, decibel_l, decibel_r);
 556         } else if(ch-- == 0) {
 557                 opn[1]->set_volume(1, decibel_l, decibel_r);
 558         } else if(ch-- == 0) {
 559                 opn[2]->set_volume(0, decibel_l, decibel_r);
 560         } else if(ch-- == 0) {
 561                 opn[2]->set_volume(1, decibel_l, decibel_r);
 562         } else
 563 #endif
 564         if(ch-- == 0) {
 565                 pcm1bit->set_volume(0, decibel_l, decibel_r);
 566         } else if(ch-- == 0) {
 567                 drec->set_volume(0, decibel_l, decibel_r);
 568         }
 569 }
 570 #endif
 571
 572 // ----------------------------------------------------------------------------
 573 // notify key
 574 // ----------------------------------------------------------------------------
 575
 576 void VM::key_down(int code, bool repeat)
 577 {
 578         if(!repeat) {
 579                 keyboard->key_down(code);
 580         }
 581 }
 582
 583 void VM::key_up(int code)
 584 {
 585         keyboard->key_up(code);
 586 }
 587
 588 // ----------------------------------------------------------------------------
 589 // user interface
 590 // ----------------------------------------------------------------------------
 591
 592 void VM::open_disk(int drv, const _TCHAR* file_path, int bank)
 593 {
 594         fdc->open_disk(drv, file_path, bank);
 595 }
 596
 597 void VM::close_disk(int drv)
 598 {
 599         fdc->close_disk(drv);
 600 }
 601
 602 bool VM::disk_inserted(int drv)
 603 {
 604         return fdc->disk_inserted(drv);
 605 }
 606
 607 void VM::set_disk_protected(int drv, bool value)
 608 {
 609         fdc->set_disk_protected(drv, value);
 610 }
 611
 612 bool VM::get_disk_protected(int drv)
 613 {
 614         return fdc->get_disk_protected(drv);
 615 }
 616
 617 void VM::play_tape(const _TCHAR* file_path)
 618 {
 619         drec->play_tape(file_path);
 620 }
 621
 622 void VM::rec_tape(const _TCHAR* file_path)
 623 {
 624         drec->rec_tape(file_path);
 625 }
 626
 627 void VM::close_tape()
 628 {
 629         drec->close_tape();
 630 }
 631
 632 bool VM::tape_inserted()
 633 {
 634         return drec->tape_inserted();
 635 }
 636
 637 bool VM::tape_playing()
 638 {
 639         return drec->tape_playing();
 640 }
 641
 642 bool VM::tape_recording()
 643 {
 644         return drec->tape_recording();
 645 }
 646
 647 int VM::tape_position()
 648 {
 649         return drec->tape_position();
 650 }
 651
 652 void VM::push_play()
 653 {
 654         drec->set_ff_rew(0);
 655         drec->set_remote(true);
 656 }
 657
 658
 659 void VM::push_stop()
 660 {
 661         drec->set_remote(false);
 662 }
 663
 664 void VM::push_fast_forward()
 665 {
 666         drec->set_ff_rew(1);
 667         drec->set_remote(true);
 668 }
 669
 670 void VM::push_fast_rewind()
 671 {
 672         drec->set_ff_rew(-1);
 673         drec->set_remote(true);
 674 }
 675
 676 void VM::push_apss_forward()
 677 {
 678         drec->do_apss(1);
 679 }
 680
 681 void VM::push_apss_rewind()
 682 {
 683         drec->do_apss(-1);
 684 }
 685
 686 bool VM::now_skip()
 687 {
 688         return event->now_skip();
 689 }
 690
 691 void VM::update_dipswitch()
 692 {
 693         // bit0         0=High 1=Standard
 694         // bit2         0=5"2D 1=5"2HD
 695   //    io->set_iovalue_single_r(0x1ff0, (config.monitor_type & 1) | ((config.drive_type & 1) << 2));
 696 }
 697
 698 void VM::set_cpu_clock(DEVICE *cpu, uint32 clocks) {
 699         event->set_secondary_cpu_clock(cpu, clocks);
 700 }
 701
 702 #define STATE_VERSION   2
 703 void VM::save_state(FILEIO* state_fio)
 704 {
 705         state_fio->FputUint32_BE(STATE_VERSION);
 706
 707         for(DEVICE* device = first_device; device; device = device->next_device) {
 708                 device->save_state(state_fio);
 709         }
 710         { // V1
 711                 state_fio->FputBool(clock_low);
 712         }
 713 }
 714
 715 bool VM::load_state(FILEIO* state_fio)
 716 {
 717         uint32 version = state_fio->FgetUint32_BE();
 718         int i = 1;
 719         if(version > STATE_VERSION) {
 720                 return false;
 721         }
 722         for(DEVICE* device = first_device; device; device = device->next_device) {
 723                 if(!device->load_state(state_fio)) {
 724                         printf("Load Error: DEVID=%d\n", device->this_device_id);
 725                         return false;
 726                 }
 727         }
 728         if(version >= 1) {// V1
 729                 clock_low   = state_fio->FgetBool();
 730                 if(version == 2) return true;
 731         }
 732         return false;
 733 }
 734
 735 #ifdef USE_DIG_RESOLUTION
 736 void VM::get_screen_resolution(int *w, int *h)
 737 {
 738         switch(display->get_screen_mode()) {
 739         case DISPLAY_MODE_8_200L:
 740         case DISPLAY_MODE_8_200L_TEXT:
 741                 *w = 640;
 742                 *h = 200;
 743                 break;
 744         case DISPLAY_MODE_8_400L:
 745         case DISPLAY_MODE_8_400L_TEXT:
 746                 *w = 640;
 747                 *h = 400;
 748                 break;
 749         case DISPLAY_MODE_4096:
 750         case DISPLAY_MODE_256k:
 751                 *w = 320;
 752                 *h = 200;
 753                 break;
 754         default:
 755                 *w = 640;
 756                 *h = 200;
 757                 break;
 758         }
 759 }
 760 #endif
 761
 762 bool VM::screen_changed()
 763 {
 764         bool f = true;
 765 #if defined(USE_MINIMUM_RENDERING)
 766         f = display->screen_update();
 767         display->reset_screen_update();
 768 #endif
 769         return f;
 770 }